20 (金)	04:20	10:32	16:33	22:48
	140cm	43cm	140cm	40cm
中潮 出 05:19 入 17:36 出 07:16 入 18:51

苫小牧（北海道）2058年09月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
9/20 00:00	61.9	↑2.4
9/20 00:10	64.6	↑2.7
9/20 00:20	67.5	↑2.9
9/20 00:30	70.5	↑3.0
9/20 00:40	73.8	↑3.3
9/20 00:50	77.2	↑3.4
9/20 01:00	80.8	↑3.6
9/20 01:10	84.6	↑3.8
9/20 01:20	88.5	↑3.9
9/20 01:30	92.5	↑4.0
9/20 01:40	96.6	↑4.1
9/20 01:50	100.8	↑4.2
9/20 02:00	104.9	↑4.1
9/20 02:10	109.1	↑4.2
9/20 02:20	113.1	↑4.0
9/20 02:30	117.0	↑3.9
9/20 02:40	120.7	↑3.7
9/20 02:50	124.1	↑3.4
9/20 03:00	127.3	↑3.2
9/20 03:10	130.2	↑2.9
9/20 03:20	132.7	↑2.5
9/20 03:30	134.8	↑2.1
9/20 03:40	136.6	↑1.8
9/20 03:50	137.9	↑1.3
9/20 04:00	138.8	↑0.9
9/20 04:10	139.4	↑0.6	満潮
9/20 04:20	139.5	↑0.1	満潮
9/20 04:30	139.3	↓-0.2
9/20 04:40	138.8	↓-0.5
9/20 04:50	137.9	↓-0.9
9/20 05:00	136.7	↓-1.2
9/20 05:10	135.3	↓-1.4
9/20 05:20	133.6	↓-1.7
9/20 05:30	131.6	↓-2.0
9/20 05:40	129.5	↓-2.1
9/20 05:50	127.1	↓-2.4
9/20 06:00	124.6	↓-2.5
9/20 06:10	121.9	↓-2.7
9/20 06:20	119.0	↓-2.9
9/20 06:30	115.9	↓-3.1
9/20 06:40	112.7	↓-3.2
9/20 06:50	109.3	↓-3.4
9/20 07:00	105.7	↓-3.6
9/20 07:10	102.0	↓-3.7
9/20 07:20	98.2	↓-3.8
9/20 07:30	94.2	↓-4.0
9/20 07:40	90.1	↓-4.1
9/20 07:50	86.0	↓-4.1
9/20 08:00	81.8	↓-4.2
9/20 08:10	77.6	↓-4.2
9/20 08:20	73.5	↓-4.1
9/20 08:30	69.5	↓-4.0
9/20 08:40	65.6	↓-3.9
9/20 08:50	61.9	↓-3.7
9/20 09:00	58.4	↓-3.5
9/20 09:10	55.3	↓-3.1
9/20 09:20	52.4	↓-2.9
9/20 09:30	49.8	↓-2.6
9/20 09:40	47.7	↓-2.1
9/20 09:50	45.9	↓-1.8
9/20 10:00	44.5	↓-1.4
9/20 10:10	43.5	↓-1.0
9/20 10:20	42.9	↓-0.6
9/20 10:30	42.7	↓-0.2	干潮
9/20 10:40	42.9	↑0.2
9/20 10:50	43.4	↑0.5
9/20 11:00	44.2	↑0.8
9/20 11:10	45.4	↑1.2
9/20 11:20	46.8	↑1.4
9/20 11:30	48.5	↑1.7
9/20 11:40	50.4	↑1.9
9/20 11:50	52.6	↑2.2
9/20 12:00	54.9	↑2.3
9/20 12:10	57.5	↑2.6
9/20 12:20	60.3	↑2.8
9/20 12:30	63.3	↑3.0
9/20 12:40	66.4	↑3.1
9/20 12:50	69.8	↑3.4
9/20 13:00	73.3	↑3.5
9/20 13:10	77.0	↑3.7
9/20 13:20	80.9	↑3.9
9/20 13:30	84.9	↑4.0
9/20 13:40	89.0	↑4.1
9/20 13:50	93.2	↑4.2
9/20 14:00	97.5	↑4.3	最大潮位差
9/20 14:10	101.8	↑4.3	最大潮位差
9/20 14:20	106.0	↑4.2
9/20 14:30	110.2	↑4.2
9/20 14:40	114.3	↑4.1
9/20 14:50	118.2	↑3.9
9/20 15:00	121.9	↑3.7
9/20 15:10	125.3	↑3.4
9/20 15:20	128.4	↑3.1
9/20 15:30	131.1	↑2.7
9/20 15:40	133.5	↑2.4
9/20 15:50	135.4	↑1.9
9/20 16:00	137.0	↑1.6
9/20 16:10	138.1	↑1.1
9/20 16:20	138.8	↑0.7
9/20 16:30	139.1	↑0.3	満潮
9/20 16:40	138.9	↓-0.2
9/20 16:50	138.4	↓-0.5
9/20 17:00	137.5	↓-0.9
9/20 17:10	136.3	↓-1.2
9/20 17:20	134.8	↓-1.5
9/20 17:30	133.0	↓-1.8
9/20 17:40	131.0	↓-2.0
9/20 17:50	128.7	↓-2.3
9/20 18:00	126.2	↓-2.5
9/20 18:10	123.6	↓-2.6
9/20 18:20	120.7	↓-2.9
9/20 18:30	117.7	↓-3.0
9/20 18:40	114.6	↓-3.1
9/20 18:50	111.3	↓-3.3
9/20 19:00	107.8	↓-3.5
9/20 19:10	104.3	↓-3.5
9/20 19:20	100.5	↓-3.8
9/20 19:30	96.7	↓-3.8
9/20 19:40	92.7	↓-4.0
9/20 19:50	88.7	↓-4.0
9/20 20:00	84.6	↓-4.1
9/20 20:10	80.4	↓-4.2
9/20 20:20	76.3	↓-4.1
9/20 20:30	72.1	↓-4.2
9/20 20:40	68.1	↓-4.0
9/20 20:50	64.1	↓-4.0
9/20 21:00	60.3	↓-3.8
9/20 21:10	56.7	↓-3.6
9/20 21:20	53.4	↓-3.3
9/20 21:30	50.4	↓-3.0
9/20 21:40	47.6	↓-2.8
9/20 21:50	45.3	↓-2.3
9/20 22:00	43.3	↓-2.0
9/20 22:10	41.6	↓-1.7
9/20 22:20	40.4	↓-1.2
9/20 22:30	39.6	↓-0.8
9/20 22:40	39.2	↓-0.4	干潮
9/20 22:50	39.1	↓-0.1
9/20 23:00	39.4	↑0.3
9/20 23:10	40.0	↑0.6
9/20 23:20	41.0	↑1.0
9/20 23:30	42.2	↑1.2
9/20 23:40	43.7	↑1.5
9/20 23:50	45.5	↑1.8